Tea garnish is a type of garnish used to enhance the flavor of tea. It typically consists of a slice of LEMON, which is a citrus fruit that is known for its tart and acidic flavor. LEMON is a popular choice for tea garnish because it adds a refreshing and zesty flavor to the tea. Other fruits such as oranges, limes, and berries can also be used as tea garnish. The addition of these fruits can add a unique flavor to the tea and make it more enjoyable to drink.